Examples with RSAPublicKeySpec java.security.spec.RSAPublicKeySpec used on opensource projects

Example 61 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project android_frameworks_base by DirtyUnicorns.

the class AndroidKeyStoreKeyFactorySpi method engineGetKeySpec.

@Override
protected <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpecClass) throws InvalidKeySpecException {
    if (key == null) {
        throw new InvalidKeySpecException("key == null");
    } else if ((!(key instanceof AndroidKeyStorePrivateKey)) && (!(key instanceof AndroidKeyStorePublicKey))) {
        throw new InvalidKeySpecException("Unsupported key type: " + key.getClass().getName() + ". This KeyFactory supports only Android Keystore asymmetric keys");
    }
    if (keySpecClass == null) {
        throw new InvalidKeySpecException("keySpecClass == null");
    } else if (KeyInfo.class.equals(keySpecClass)) {
        if (!(key instanceof AndroidKeyStorePrivateKey)) {
            throw new InvalidKeySpecException("Unsupported key type: " + key.getClass().getName() + ". KeyInfo can be obtained only for Android Keystore private keys");
        }
        AndroidKeyStorePrivateKey keystorePrivateKey = (AndroidKeyStorePrivateKey) key;
        String keyAliasInKeystore = keystorePrivateKey.getAlias();
        String entryAlias;
        if (keyAliasInKeystore.startsWith(Credentials.USER_PRIVATE_KEY)) {
            entryAlias = keyAliasInKeystore.substring(Credentials.USER_PRIVATE_KEY.length());
        } else {
            throw new InvalidKeySpecException("Invalid key alias: " + keyAliasInKeystore);
        }
        @SuppressWarnings("unchecked") T result = (T) AndroidKeyStoreSecretKeyFactorySpi.getKeyInfo(mKeyStore, entryAlias, keyAliasInKeystore, keystorePrivateKey.getUid());
        return result;
    } else if (X509EncodedKeySpec.class.equals(keySpecClass)) {
        if (!(key instanceof AndroidKeyStorePublicKey)) {
            throw new InvalidKeySpecException("Unsupported key type: " + key.getClass().getName() + ". X509EncodedKeySpec can be obtained only for Android Keystore public" + " keys");
        }
        @SuppressWarnings("unchecked") T result = (T) new X509EncodedKeySpec(((AndroidKeyStorePublicKey) key).getEncoded());
        return result;
    } else if (PKCS8EncodedKeySpec.class.equals(keySpecClass)) {
        if (key instanceof AndroidKeyStorePrivateKey) {
            throw new InvalidKeySpecException("Key material export of Android Keystore private keys is not supported");
        } else {
            throw new InvalidKeySpecException("Cannot export key material of public key in PKCS#8 format." + " Only X.509 format (X509EncodedKeySpec) supported for public keys.");
        }
    } else if (RSAPublicKeySpec.class.equals(keySpecClass)) {
        if (key instanceof AndroidKeyStoreRSAPublicKey) {
            AndroidKeyStoreRSAPublicKey rsaKey = (AndroidKeyStoreRSAPublicKey) key;
            @SuppressWarnings("unchecked") T result = (T) new RSAPublicKeySpec(rsaKey.getModulus(), rsaKey.getPublicExponent());
            return result;
        } else {
            throw new InvalidKeySpecException("Obtaining RSAPublicKeySpec not supported for " + key.getAlgorithm() + " " + ((key instanceof AndroidKeyStorePrivateKey) ? "private" : "public") + " key");
        }
    } else if (ECPublicKeySpec.class.equals(keySpecClass)) {
        if (key instanceof AndroidKeyStoreECPublicKey) {
            AndroidKeyStoreECPublicKey ecKey = (AndroidKeyStoreECPublicKey) key;
            @SuppressWarnings("unchecked") T result = (T) new ECPublicKeySpec(ecKey.getW(), ecKey.getParams());
            return result;
        } else {
            throw new InvalidKeySpecException("Obtaining ECPublicKeySpec not supported for " + key.getAlgorithm() + " " + ((key instanceof AndroidKeyStorePrivateKey) ? "private" : "public") + " key");
        }
    } else {
        throw new InvalidKeySpecException("Unsupported key spec: " + keySpecClass.getName());
    }
}

Example 62 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project android_frameworks_base by AOSPA.

the class AndroidKeyStoreKeyFactorySpi method engineGetKeySpec.

@Override
protected <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpecClass) throws InvalidKeySpecException {
    if (key == null) {
        throw new InvalidKeySpecException("key == null");
    } else if ((!(key instanceof AndroidKeyStorePrivateKey)) && (!(key instanceof AndroidKeyStorePublicKey))) {
        throw new InvalidKeySpecException("Unsupported key type: " + key.getClass().getName() + ". This KeyFactory supports only Android Keystore asymmetric keys");
    }
    if (keySpecClass == null) {
        throw new InvalidKeySpecException("keySpecClass == null");
    } else if (KeyInfo.class.equals(keySpecClass)) {
        if (!(key instanceof AndroidKeyStorePrivateKey)) {
            throw new InvalidKeySpecException("Unsupported key type: " + key.getClass().getName() + ". KeyInfo can be obtained only for Android Keystore private keys");
        }
        AndroidKeyStorePrivateKey keystorePrivateKey = (AndroidKeyStorePrivateKey) key;
        String keyAliasInKeystore = keystorePrivateKey.getAlias();
        String entryAlias;
        if (keyAliasInKeystore.startsWith(Credentials.USER_PRIVATE_KEY)) {
            entryAlias = keyAliasInKeystore.substring(Credentials.USER_PRIVATE_KEY.length());
        } else {
            throw new InvalidKeySpecException("Invalid key alias: " + keyAliasInKeystore);
        }
        @SuppressWarnings("unchecked") T result = (T) AndroidKeyStoreSecretKeyFactorySpi.getKeyInfo(mKeyStore, entryAlias, keyAliasInKeystore, keystorePrivateKey.getUid());
        return result;
    } else if (X509EncodedKeySpec.class.equals(keySpecClass)) {
        if (!(key instanceof AndroidKeyStorePublicKey)) {
            throw new InvalidKeySpecException("Unsupported key type: " + key.getClass().getName() + ". X509EncodedKeySpec can be obtained only for Android Keystore public" + " keys");
        }
        @SuppressWarnings("unchecked") T result = (T) new X509EncodedKeySpec(((AndroidKeyStorePublicKey) key).getEncoded());
        return result;
    } else if (PKCS8EncodedKeySpec.class.equals(keySpecClass)) {
        if (key instanceof AndroidKeyStorePrivateKey) {
            throw new InvalidKeySpecException("Key material export of Android Keystore private keys is not supported");
        } else {
            throw new InvalidKeySpecException("Cannot export key material of public key in PKCS#8 format." + " Only X.509 format (X509EncodedKeySpec) supported for public keys.");
        }
    } else if (RSAPublicKeySpec.class.equals(keySpecClass)) {
        if (key instanceof AndroidKeyStoreRSAPublicKey) {
            AndroidKeyStoreRSAPublicKey rsaKey = (AndroidKeyStoreRSAPublicKey) key;
            @SuppressWarnings("unchecked") T result = (T) new RSAPublicKeySpec(rsaKey.getModulus(), rsaKey.getPublicExponent());
            return result;
        } else {
            throw new InvalidKeySpecException("Obtaining RSAPublicKeySpec not supported for " + key.getAlgorithm() + " " + ((key instanceof AndroidKeyStorePrivateKey) ? "private" : "public") + " key");
        }
    } else if (ECPublicKeySpec.class.equals(keySpecClass)) {
        if (key instanceof AndroidKeyStoreECPublicKey) {
            AndroidKeyStoreECPublicKey ecKey = (AndroidKeyStoreECPublicKey) key;
            @SuppressWarnings("unchecked") T result = (T) new ECPublicKeySpec(ecKey.getW(), ecKey.getParams());
            return result;
        } else {
            throw new InvalidKeySpecException("Obtaining ECPublicKeySpec not supported for " + key.getAlgorithm() + " " + ((key instanceof AndroidKeyStorePrivateKey) ? "private" : "public") + " key");
        }
    } else {
        throw new InvalidKeySpecException("Unsupported key spec: " + keySpecClass.getName());
    }
}

Example 63 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project azure-tools-for-java by Microsoft.

the class SimpleTokenValidator method validateSignature.

@Override
public Boolean validateSignature(final Token token) {
    if (token == null) {
        throw new PreconditionException("Required parameter is null");
    }
    if (algorithmConfigurationService.get().getAlgorithmClassMap().get(token.getAlgorithm().getName()).equals("HMAC")) {
        return Boolean.FALSE;
    }
    final Configuration configuration = configurationCache.load();
    if (configuration == null) {
        throw new GeneralException("Error loading configuration");
    }
    try {
        final TimeStamp now = timeStampFactory.createTimeStamp(System.currentTimeMillis() / 1000);
        if (configuration.getKey(token.getKeyName()).getNotBefore().compareTo(now) > 0) {
            return Boolean.FALSE;
        }
        final Base64 decoder = new Base64();
        final BigInteger exponent = new BigInteger(1, decoder.decode(configuration.getKey(token.getKeyName()).getExponent().getValue()));
        final BigInteger modulus = new BigInteger(1, decoder.decode(configuration.getKey(token.getKeyName()).getSecret().getValue()));
        final RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(modulus, exponent);
        final KeyFactory keyFactory = KeyFactory.getInstance(algorithmConfigurationService.get().getAlgorithmClassMap().get(token.getAlgorithm().getName()));
        final PublicKey pubKey = keyFactory.generatePublic(pubKeySpec);
        final Signature sig = Signature.getInstance(algorithmConfigurationService.get().getAlgorithmMap().get(token.getAlgorithm().getName()));
        sig.initVerify(pubKey);
        sig.update(token.getPayload().getValue().getBytes());
        return sig.verify(decoder.decode(token.getSignature().getValue()));
    } catch (NoSuchAlgorithmException | InvalidKeySpecException | SignatureException | InvalidKeyException e) {
        LOGGER.error(e.getMessage(), e);
        return Boolean.FALSE;
    }
}

Example 64 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project azure-sdk-for-java by Azure.

the class KeyOperationsTest method getWellKnownKey.

private static KeyPair getWellKnownKey() throws Exception {
    BigInteger modulus = new BigInteger("27266783713040163753473734334021230592631652450892850648620119914958066181400432364213298181846462385257448168605902438305568194683691563208578540343969522651422088760509452879461613852042845039552547834002168737350264189810815735922734447830725099163869215360401162450008673869707774119785881115044406101346450911054819448375712432746968301739007624952483347278954755460152795801894283389540036131881712321193750961817346255102052653789197325341350920441746054233522546543768770643593655942246891652634114922277138937273034902434321431672058220631825053788262810480543541597284376261438324665363067125951152574540779");
    BigInteger publicExponent = new BigInteger("65537");
    BigInteger privateExponent = new BigInteger("10466613941269075477152428927796086150095892102279802916937552172064636326433780566497000814207416485739683286961848843255766652023400959086290344987308562817062506476465756840999981989957456897020361717197805192876094362315496459535960304928171129585813477132331538577519084006595335055487028872410579127692209642938724850603554885478763205394868103298473476811627231543504190652483290944218004086457805431824328448422034887148115990501701345535825110962804471270499590234116100216841170344686381902328362376624405803648588830575558058257742073963036264273582756620469659464278207233345784355220317478103481872995809");
    BigInteger primeP = new BigInteger("175002941104568842715096339107566771592009112128184231961529953978142750732317724951747797764638217287618769007295505214923187971350518217670604044004381362495186864051394404165602744235299100790551775147322153206730562450301874236875459336154569893255570576967036237661594595803204808064127845257496057219227");
    BigInteger primeQ = new BigInteger("155807574095269324897144428622185380283967159190626345335083690114147315509962698765044950001909553861571493035240542031420213144237033208612132704562174772894369053916729901982420535940939821673277140180113593951522522222348910536202664252481405241042414183668723338300649954708432681241621374644926879028977");
    BigInteger primeExponentP = new BigInteger("79745606804504995938838168837578376593737280079895233277372027184693457251170125851946171360348440134236338520742068873132216695552312068793428432338173016914968041076503997528137698610601222912385953171485249299873377130717231063522112968474603281996190849604705284061306758152904594168593526874435238915345");
    BigInteger primeExponentQ = new BigInteger("80619964983821018303966686284189517841976445905569830731617605558094658227540855971763115484608005874540349730961777634427740786642996065386667564038755340092176159839025706183161615488856833433976243963682074011475658804676349317075370362785860401437192843468423594688700132964854367053490737073471709030801");
    BigInteger crtCoefficient = new BigInteger("2157818511040667226980891229484210846757728661751992467240662009652654684725325675037512595031058612950802328971801913498711880111052682274056041470625863586779333188842602381844572406517251106159327934511268610438516820278066686225397795046020275055545005189953702783748235257613991379770525910232674719428");
    KeySpec publicKeySpec = new RSAPublicKeySpec(modulus, publicExponent);
    KeySpec privateKeySpec = new RSAPrivateCrtKeySpec(modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, crtCoefficient);
    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    return new KeyPair(keyFactory.generatePublic(publicKeySpec), keyFactory.generatePrivate(privateKeySpec));
}

Example 65 with RSAPublicKeySpec

use of java.security.spec.RSAPublicKeySpec in project robovm by robovm.

the class SignatureTest method testVerify_MD5withRSA_Key_Success.

public void testVerify_MD5withRSA_Key_Success() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPublicKeySpec keySpec = new RSAPublicKeySpec(RSA_2048_modulus, RSA_2048_publicExponent);
    PublicKey pubKey = kf.generatePublic(keySpec);
    Signature sig = Signature.getInstance("MD5withRSA");
    sig.initVerify(pubKey);
    sig.update(Vector2Data);
    assertTrue("Signature must match expected signature", sig.verify(MD5withRSA_Vector2Signature));
}